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1990 GMC Suburban 2500 Sierra 4D Utility
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Diagnose Your Car's Problem
Select the symptom that is most applicable:
Smoke
Poor gas mileage
A tire wearing out
Warning light on
High engine temperature
Steam
Rotten egg smell
Muggy smell from A/C vents, along with poor cooling
Shaking
Abnormal braking
Poor gas mileage
A tire wearing out
Warning light on
High engine temperature
Steam
Rotten egg smell
Muggy smell from A/C vents, along with poor cooling
Shaking
Abnormal braking
Vehicle is sluggish
Awkward shifting
Vehicle "rides" uncomfortably
Abnormal steering
Pinging
The engine is running roughly
The engine backfires
Ticking / tapping
Squealing noise
Sputter and cough
Awkward shifting
Vehicle "rides" uncomfortably
Abnormal steering
Pinging
The engine is running roughly
The engine backfires
Ticking / tapping
Squealing noise
Sputter and cough
Brakes make noise
Clunking sound
A clicking sound
I turn off the car, but the engine keeps running
My car won't start
I can shift, but the vehicle doesn't move
The vehicle won't shift into park
Lack of hot/cold air
Engine feels weak
The engine stalls
Clunking sound
A clicking sound
I turn off the car, but the engine keeps running
My car won't start
I can shift, but the vehicle doesn't move
The vehicle won't shift into park
Lack of hot/cold air
Engine feels weak
The engine stalls
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DC
Delaware
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Georgia
Hawaii
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
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Montana
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New York
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Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
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Virginia
Washington
West Virginia
Wisconsin
Wyoming